Method and apparatus of transmitting training signal in wireless local area network system
    2.
    发明授权
    Method and apparatus of transmitting training signal in wireless local area network system 有权
    在无线局域网系统中传送训练信号的方法和装置

    公开(公告)号:US09042484B2

    公开(公告)日:2015-05-26

    申请号:US12965635

    申请日:2010-12-10

    IPC分类号: H04L5/00 H04W99/00 H04W84/12

    摘要: A method of transmitting a training signal in a Wireless Local Area Network (WLAN) system includes generating one or more first training signals for a first destination station and one or more second training signals for a second destination station by applying a mapping matrix P to a training signal generation sequence, mapping the first training signals and the second training signals to a plurality of antennas according to an antenna mapping matrix, and performing Inverse Fast Fourier Transform (IFFT) on each of the first training signals and the second training signals mapped to the plurality of antennas and transmitting the training signals through the plurality of antennas.

    摘要翻译: 在无线局域网(WLAN)系统中发送训练信号的方法包括:通过将映射矩阵P应用于第一目的地站,生成用于第一目的地站的一个或多个第一训练信号和用于第二目的地站的一个或多个第二训练信号 训练信号生成序列,根据天线映射矩阵将第一训练信号和第二训练信号映射到多个天线,并对第一训练信号和第二训练信号中的每一个进行反傅里叶逆变换(IFFT),映射到 多个天线,并通过多个天线发送训练信号。

    Method for transmitting control information and apparatus for the same
    4.
    发明授权
    Method for transmitting control information and apparatus for the same 有权
    用于发送控制信息的方法及其装置

    公开(公告)号:US08718173B2

    公开(公告)日:2014-05-06

    申请号:US13520769

    申请日:2011-02-09

    IPC分类号: H04B7/02 H04L1/02

    摘要: A method and apparatus for transmitting control information in a wireless communication system is provided. The method includes transmitting common control information including a multiple input multiple output (MIMO) indicator indicating single user-MIMO (SU-MIMO) or multi user-MIMO (MU-MIMO) to a receiver, generating first precoded dedicated control information by performing precoding on dedicated control information including information for the MU-MIMO by the use of a first precoding matrix, generating second precoded dedicated control information by performing precoding on the first precoded dedicated control information by the use of a second precoding matrix and transmitting the second precoded dedicated control information to the receiver.

    摘要翻译: 提供一种在无线通信系统中发送控制信息的方法和装置。 该方法包括向接收机发送包括指示单用户MIMO(SU-MIMO)或多用户MIMO(MU-MIMO)的多输入多输出(MIMO)指示符的公共控制信息,通过执行预编码产生第一预编码的专用控制信息 通过使用第一预编码矩阵来包括用于MU-MIMO的信息的专用控制信息,通过使用第二预编码矩阵对第一预编码专用控制信息执行预编码来产生第二预编码专用控制信息,并且发送第二预编码专用 控制信息给接收机。

    METHOD AND APPARATUS FOR TRANSCEIVING A MIMO PACKET IN A WIRELESS LAN SYSTEM
    5.
    发明申请
    METHOD AND APPARATUS FOR TRANSCEIVING A MIMO PACKET IN A WIRELESS LAN SYSTEM 有权
    用于在无线LAN系统中收发MIMO分组的方法和装置

    公开(公告)号:US20120218982A1

    公开(公告)日:2012-08-30

    申请号:US13505388

    申请日:2011-06-30

    IPC分类号: H04W84/02

    摘要: A method of transmitting a multiple input multiple output (MIMO) packet by a transmitter in a wireless local area network (WLAN) system is provided. The method includes: generating a MIMO packet including at least one spatial stream set transmitted respectively to at least one receiver, wherein each spatial stream set is encoded on the basis of one of two encoding schemes; transmitting first control information including a MIMO indicator and a first modulation and coding scheme (MCS) field, wherein the MIMO indicator indicates whether the MIMO packet is for single user (SU)-MIMO or multi user (MU)-MIMO, and the first MCS field indicates an MCS used for the MIMO packet if the MIMO packet is for SU-MIMO transmission, and indicates an encoding scheme applied for each of the spatial stream sets if the MIMO packet is for MU-MIMO transmission; and transmitting the MIMO packet to at least one receiver.

    摘要翻译: 提供了一种在无线局域网(WLAN)系统中由发射机发送多输入多输出(MIMO)分组的方法。 该方法包括:产生包括分别发送给至少一个接收机的至少一个空间流集合的MIMO分组,其中每个空间流集合基于两种编码方案之一进行编码; 发送包括MIMO指示符和第一调制和编码方案(MCS)字段的第一控制信息,其中所述MIMO指示符指示所述MIMO分组是针对单用户(SU)-MIMO还是多用户(MU)-MIMO,并且所述第一 如果MIMO分组用于SU-MIMO传输,则MCS字段指示用于MIMO分组的MCS,并且如果MIMO分组用于MU-MIMO传输,则指示针对每个空间流集合应用的编码方案; 以及将MIMO分组发送到至少一个接收机。

    Method and apparatus for transmitting data in very high throughput wireless local area network system
    7.
    发明授权
    Method and apparatus for transmitting data in very high throughput wireless local area network system 有权
    用于在非常高吞吐量的无线局域网系统中传输数据的方法和装置

    公开(公告)号:US09397707B2

    公开(公告)日:2016-07-19

    申请号:US13505382

    申请日:2011-04-28

    摘要: A method of transmitting data in a wireless local area network is provided. The method includes the steps of: generating a data unit including a MAC (Medium Access Control) header and MSDU (MAC Service Data Unit), generating an encoded data unit by encoding the data unit, generating one or more spatial blocks by dividing the encoded data unit, dividing each of the one or more spatial block into a first block and a second block, generating a first interleaved block and a second interleaved block by interleaving the first block and the second block respectively, generating a first mapped sequence by mapping the first interleaved block into signal constellation, generating a second mapped sequence by mapping the second interleaved block into signal constellation, generating the transmission signal by performing IDFT (Inverse Discrete Fourier Transform) to the first mapped sequence and the second mapped sequence; and transmitting the transmission signal.

    摘要翻译: 提供了一种在无线局域网中发送数据的方法。 该方法包括以下步骤:生成包括MAC(媒体访问控制)头部和MSDU(MAC服务数据单元)的数据单元,通过对数据单元进行编码来生成编码数据单元,通过将编码的 数据单元,将所述一个或多个空间块中的每一个划分为第一块和第二块,分别通过交织所述第一块和所述第二块来产生第一交织块和第二交织块,通过映射所述第一块和所述第二块来生成第一映射序列 将第一交错块转换为信号星座图,通过将第二交织块映射到信号星座图中产生第二映射序列,通过对第一映射序列和第二映射序列执行IDFT(逆离散傅立叶变换)生成发送信号; 并发送发送信号。

    Method and apparatus for transmitting frame in WLAN system
    9.
    发明授权
    Method and apparatus for transmitting frame in WLAN system 有权
    WLAN系统中传输帧的方法和装置

    公开(公告)号:US08787284B2

    公开(公告)日:2014-07-22

    申请号:US13318014

    申请日:2011-03-15

    摘要: A method of transmitting a frame in a Wireless Local Area Network (WLAN) system, and which includes receiving, by a first station, information about an association identifier (AID) from an access point, the AID identifying the first station in the WLAN system; transmitting, by the first station, a DLS request frame to a second station; receiving, by the first station, a DLS response frame from the second station; generating, by the first station, a PPDU including a VHT-SIG field and a PSDU; and transmitting, by the first station, the PPDU to the second station via the direct link. Further, the VHT-SIG field includes identity information indicating a partial AID that is formed from the AID of the second station and has a length shorter than the length of the AID of the second station.

    摘要翻译: 一种在无线局域网(WLAN)系统中发送帧的方法,包括由第一站从接入点接收关于关联标识符(AID)的信息,识别WLAN系统中的第一站的AID ; 由第一站向第二站发送DLS请求帧; 由第一站接收来自第二站的DLS响应帧; 由第一站产生包括VHT-SIG字段和PSDU的PPDU; 以及由所述第一站通过所述直接链路将所述PPDU发送到所述第二站。 此外,VHT-SIG字段包括指示从第二站的AID形成的部分AID并且具有比第二站的AID的长度短的长度的身份信息。